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Compressor motor of refrigerator would't start

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Check for 120VAC to the compressor, and verify you have continuity between all three terminals (start, run and common) on the compressor.

If both apply, you either have a bad start device or a locked rotor on your compressor. A failed start device is a quick and inexpensive repair. On the other hand, a locked rotor requires replacement of the compressor. A 3 n' 1 hard start kit could get it running and buy you some time.

Posted on Sep 11, 2009

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Posted on Jan 02, 2017

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I have no cold air in my refrigerator or Freezer. It defrosted everything.


Condenser Coils are Dirty
If the refrigerator is not cold enough the condenser coils may be dirty. The condenser is like a radiator and must stay clean in order to dissipate the heat which was removed from the inside of the refrigerator. As the coils get dirtier the refrigerator becomes less efficient, which makes it work harder to cool down. If the coils are dirty enough, the unit will never be cold enough and will not be able to cool the inside of the refrigerator to the proper temperature.
Evaporator Fan Motor
If the refrigerator is not cold enough, the evaporator fan motor might have failed. Every refrigerator has a set of coils called an evaporator. The refrigerator may have one or more evaporator fan motor(s) depending on the model and evaporator locations. The evaporator fan motor circulates the cold air from the coils thru the compartment. If there is only one evaporator it is in the freezer side. If the fan is not working, no cold air will get to the refrigerator compartment. The freezer may still get cold.
Condenser Fan Motor
If the refrigerator is not cold enough there might be something caught in the condenser fan motor blade, or the condenser fan motor might be defective. The condenser fan motor draws air over the condenser coils to cool them. The condenser fan motor is located underneath the refrigerator near the back. Pull the refrigerator out from the wall and remove the access panel to access it.
Start Relay
If the refrigerator is not cold enough, the start relay may be defective. The start relay is a small device mounted to the side of the compressor. It provides power to the run winding along with the start winding for a split second at start-up to help get the compressor started. If the start relay is defective the compressor may run intermittently or not at all and the refrigerator will not get cold enough. The start relay should be replaced if defective.
Temperature Control Thermostat
If the refrigerator does not get cold enough the temperature control thermostat might be defective. The thermostat allows power to flow through to the compressor, evaporator fan and condenser fan. If the cooling system fans and compressor are running, but the refrigerator or freezer is not cooling correctly check for an airflow or defrost system problem.
Start Capacitor
If the refrigerator isn't cold enough the compressor might be having difficulty starting. The start capacitor serves as a battery to give the compressor a little boost during start-up. If the start capacitor is burned out the compressor might not be able to start and run as often as it should. Test the start capacitor first with a capacitance meter, they don't fail often. If it's defective, replace it.
Thermistor
If the refrigerator is not cold enough the thermistor might be defective. The thermistor is a sensor which monitors the air temperature. It is connected to the control board. If the thermistor is defective the refrigerator does not cool or may cool continuously.
Temperature Control Board
If the refrigerator is not cold enough the temperature control board might be defective. The temperature control board provides the voltage to the fan motors and compressor. These boards are often misdiagnosed. Check all other components to be certain this is the cause of the problem.
Compressor
If the refrigerator is not cold enough, the compressor might be defective. The compressor is a motor which compresses the refrigerant and circulates the refrigerant through the evaporator and condenser coils. There are several other components which are more likely to be defective if the compressor doesn't work. If the compressor itself is defective a licensed professional will need to replace it.
Main Control Board
If the refrigerator is not cold enough the main control board might be defective. This is not common. Check the defrost system, cooling fans, and cooling controls first.

Jun 28, 2017 | Refrigerators

1 Answer

I had the unit 8 years now and both side are not cooling although motor is running. Does the unit need to be recharged?


which motor is running? if the compressor is running, but you have no cooling at all, the unit has 'blown' its refrigerant charge. Game Over. If the fan motors are running, but the compressor is not, check the compressor start device for continuity... Sometimes the fans will mask whether the compressor is cycling, you may have to put your hand on the compressor itself to verify... If the comp. is very hot, but not running, once again, suspect the start device.

Apr 26, 2016 | Northland 42SSWGX2 Side by Side...

1 Answer

Compressor doesn't turn on


Fixing a Refrigerator Compressor that Won't Start ... - YouTube

? 2:54
https://www.youtube.com/watch?v=Nf6vmQtKvdA
Jun 25, 2012 - Uploaded by SamuraiRepairman
Fixing a Refrigerator Compressor that Won't Start, CompressorRelay, Condenser Fan Motor ... Still doesn't work. .... problem be the fan motor or the compressor cause the fridge motor is working and when I turn the fridge on it ...

How To Repair A Refrigerator With A Compressor That ...

? 6:01
https://www.youtube.com/watch?v=5Uc3mZlUDvM
Aug 8, 2012 - Uploaded by KungFuMaintenance
All right, what I've got here is a fridge with a compressor that won't start ... So it doesn't fall on anything. ..... I have a question my compressor will turn on but I have to have it all the way up so if I put a water bottle in it just freezes ...

Jan 19, 2016 | Refrigerators

1 Answer

GE refrigerator


Power at outlet? May have fried compressor. If you have ohm meter and understand the compressor motor check the windings to ground of the outside case. If you have short to frame (ground) motor is burned. If it's ok, Could be starting capacitor. You may also have a "hard start compressor" Refrigeration parts houses may have a "hard start kit" for refrigeration compressors. May last a week, maybe years.

Apr 06, 2012 | General Electric Refrigerators

1 Answer

Need info for a kenmore side by side refrigerator model#59652673202 it it not cooling nor freeszing ; the light works and the fan works but not cooling any side please help me


Good day,
With that amount of info it would be hard to try to pinpoint it. Here's a list of items that can cause a refrigerator to not cool.

Items that will cause a refrigerator not to cool.....
1. Defective thermostat
2. Defective freezer fan motor
3. Defective defrost timer
4. Defective defrost thermostat
5. Defective defrost main heater.
6. Defective condenser fan motor
6. Defective compressor overload protector
7. Defective compressor start relay
8. Defective compressor start/run capacitor (some models only)
9. Defective compressor
10. Restriction in refrigeration sealed system
11. Loss of refrigerant (leak)
12. Excessively dirty condenser
13. Broken wires, bad wire harness connectors, ect.
14. Defective fan motor switch (some models only)

As you can see it could be one of many,many items. If your handy with a meter you might want to start at the bottom back of the machine where the compressor is located.
Sounds as if it is not running, or running without refrigerant in the system.
Also, if it has a cooling fan motor in that area, make sure it runs, since all fan motors are wired to run at the same time.

Oct 15, 2010 | Kenmore 44103 Side by Side Refrigerator

1 Answer

My refrigerator broke i think it is the ice maker unit i would like to find out if it is that or something else


Good day,
An ice maker is an accessory. It would not cause the refrigerator itself to not function.
Here is a list of the major reason a refrigerator will not function.
I don't know what you mean by "broke".

Items that will cause a refrigerator not to cool.....
1. Defective thermostat
2. Defective freezer fan motor
3. Defective defrost timer
4. Defective defrost thermostat
5. Defective defrost main heater.
6. Defective condenser fan motor
6. Defective compressor overload protector
7. Defective compressor start relay
8. Defective compressor start/run capacitor (some models only)
9. Defective compressor
10. Restriction in refrigeration sealed system
11. Loss of refrigerant (leak)
12. Excessively dirty condenser
13. Broken wires, bad wire harness connectors, etc.
14. Defective fan motor switch (some models only)

Sep 08, 2010 | Kenmore Refrigerators

1 Answer

Motor not running Refrigerator not cooling


There are three possibilities why the compressor motor is not running. #1. The thermostat switch is not closing to turn the motor on. #2. The compressor motor is bad. #3 The defrost timer is engaged, preventing the compressor motor from starting.

Solution for #1: Locate the thermostat switch behind the console in the refrigerator. It is attached to the freezer temperature adjusting knob. If you jump the switch out, the compressor motor should start. If it does, replace this switch.

Solution for #2: get another refrigerator. It is not worth repairing.

Solution for #3: Turn the freezer temperature switch to the coldest setting. Locate the defrost timer in the console on the ceiling of the refrigerator compartment. Look for position labels like "cool control" and "compressor". Jump between these two wires. The compressor should start. If it does, replace this module.

Mar 06, 2010 | Kenmore Refrigerators

1 Answer

My frigidaire refrigerator does not cool? what should i buy for it


Good day.
Items that will cause a refrigerator not to cool.....
1. Defective thermostat
2. Defective freezer fan motor
3. Defective defrost timer
4. Defective defrost thermostat
5. Defective defrost main heater.
6. Defective condenser fan motor
6. Defective compressor overload protector
7. Defective compressor start relay
8. Defective compressor start/run capacitor (some models only)
9. Defective compressor
10. Restriction in refrigeration sealed system
11. Loss of refrigerant (leak)
12. Excessively dirty condensor
13. Broken wires, bad wire harness connectors, ect.
14. Defective fan motor switch (some models only)

Thank you for using FixYa

Jan 17, 2010 | Refrigerators

1 Answer

Compressor motor won't start. Hums and clicks


Most likely the problem is either the condenser coil is very dirty or the condenser fan isn't working causing the compressor motor to overheat and cycle off on its internal thermal limit or the compressor capacitor is defective causing the compressor to overheat and cycle off.

Nov 10, 2009 | Kenmore 57029 Side by Side Refrigerator

1 Answer

No cold in fridge or freezer: buzzing compressor


There is no start motor. If the brand of the compressor is a tecumpseh then it is most likely the problem and has a 5 yr warranty from the date of purchase. If it is an Embraco compressor I would try and overload and relay. They are all in one part sometimes called a start device.

Sep 24, 2007 | Amana ARB2217C Bottom Freezer Refrigerator

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